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YASUHARA Akira  安原 晃

ORCIDConnect your ORCID iD *help
… Alternative Names

安原 晃  ヤスハラ アキラ

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Researcher Number 60256625
Other IDs
External Links
Affiliation (Current) 2025: 早稲田大学, 商学学術院, 教授
Affiliation (based on the past Project Information) *help 2018 – 2023: 早稲田大学, 商学学術院, 教授
2016 – 2017: 津田塾大学, 学芸学部, 教授
2011 – 2015: 東京学芸大学, 教育学部, 教授
2007 – 2010: Tokyo Gakugei University, Department of Education, Associate Professor
2001 – 2006: 東京学芸大学, 教育学部, 助教授 … More
1999: 学芸大, 教育学部, 講師
1998: 東京学芸大学, 教育学部, 講師
1996: 東京学芸大学, 教育学部, 講師
1995: 東京電機大学, 理工学部, 助手 Less
Review Section/Research Field
Principal Investigator
Geometry / Geometry / Geometry / Basic Section 11020:Geometry-related
Except Principal Investigator
Intelligent informatics / Geometry
Keywords
Principal Investigator
ミルナー不変量 / Cn-move / ストリング絡み目 / Milnor invariant / delta-move / self Cn-move / string link / link / 有限型不変量 / 絡み目 … More / C_κ-move / Vassiliev不変量 / 結び目 / グラフホモロジー / 空間グラフ / 絡み目不変量 / ザリスキー対 / 複素射影平面 / 平面配置 / リンク・コンコーダンス / 曲面絡み目 / リンク・ホモトピー / 幾何学 / ウェルデッド絡み目 / クラスパー / クラスパー理論 / コンコーダント / ウエルデッド絡み目 / HOMFLYPT多項式 / 被覆絡み目 / クローバー絡み目 / コボルダント / cobordant / self delta-move / Cκ同値群 / Cκ-move / β-同値群 / β-move / C_κ-同値群 / Gusarov群 / βk-同値群 / βk-move / Ck-同値群 / Ck-move / θ曲線 / 局所変形 / 空間θ曲線 / C_k同値 / C_k-move / 障害集合 / グラフマイナー / 順応性 / グラフ / マイナ- / 空間グラフホモロジー群 / band-曲面 / disk … More
Except Principal Investigator
結び目理論 / 位相幾何学 / データマイニング / 知識発見 / データ圧縮 / ミルナー不変量 / 低次元トポロジー / 文法圧縮 / トポロジー / 幾何学 / スクエア結び目 / 素性 / 結び目 Less
  • Research Projects

    (14 results)
  • Research Products

    (76 results)
  • Co-Researchers

    (7 People)
  •  曲面リンクのミルナー型ホモトピー不変量の研究Principal Investigator

    • Principal Investigator
      安原 晃
    • Project Period (FY)
      2021 – 2024
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 11020:Geometry-related
    • Research Institution
      Waseda University
  •  Diagramtic approach for finite type invariants of welded linksPrincipal Investigator

    • Principal Investigator
      Yasuhara Akira
    • Project Period (FY)
      2017 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Waseda University
      Tsuda University
  •  複素射影平面上の直線配置と絡み目のミルナー不変量の研究Principal Investigator

    • Principal Investigator
      田中 心, 安原 晃
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for JSPS Fellows
    • Research Field
      Geometry
    • Research Institution
      Tokyo Gakugei University
  •  Study on Milnor invariants via finite type invariantsPrincipal Investigator

    • Principal Investigator
      YASUHARA AKIRA
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tsuda College
      Tokyo Gakugei University
  •  Finding new mathematical knot theory using data compression

    • Principal Investigator
      Sakamoto Hiroshi
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Intelligent informatics
    • Research Institution
      Kyushu Institute of Technology
  •  Study on the classification of string links up to Cn-concordancePrincipal Investigator

    • Principal Investigator
      AKIRA Yasuhara
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Gakugei University
  •  OnMilnorinvariantsandclassificationoflinksunder freeselfCn-equivalence

    • Principal Investigator
      SHIBUYA Tetsuo
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Osaka Institute of Technology
  •  Cn-equivalence on string links and Milnor invariantsPrincipal Investigator

    • Principal Investigator
      YASUHARA Akira
    • Project Period (FY)
      2008 – 2010
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Gakugei University
  •  Milnor invariants and Classifications of links up to self-type local movesPrincipal Investigator

    • Principal Investigator
      YASUHARA Akira
    • Project Period (FY)
      2006 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Gakugei University
  •  局所変形で与えられる結び目の同値類のなす群に関する研究Principal Investigator

    • Principal Investigator
      安原 晃
    • Project Period (FY)
      2003 – 2005
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Gakugei University
  •  空間テータ曲線の局所変形とVassiliev不変量の研究Principal Investigator

    • Principal Investigator
      安原 晃
    • Project Period (FY)
      2001 – 2002
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Gakugei University
  •  空間グラフに含まれる結び目と絡み目の研究Principal Investigator

    • Principal Investigator
      安原 晃
    • Project Period (FY)
      1998 – 1999
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Gakugei University
  •  空間グラフホモロジー群とグラフマイナ-との関係についての研究Principal Investigator

    • Principal Investigator
      安原 晃
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Gakugei University
  •  空間グラフのグラフホモロジー類の分類Principal Investigator

    • Principal Investigator
      安原 晃
    • Project Period (FY)
      1995
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      Geometry
    • Research Institution
      Tokyo Denki University

All 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2004 Other

All Journal Article Presentation

  • [Journal Article] The Dabkowski-Sahi invariant and 4-moves for links2023

    • Author(s)
      Haruko A. Miyazawa, Kodai Wada, Akira Yasuhara
    • Journal Title

      Geometriae Dedicata

      Volume: 217, No. 46, Issue: 3 Pages: 1-15

    • DOI

      10.1007/s10711-023-00780-4

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03237, KAKENHI-PROJECT-21K20327
  • [Journal Article] Combinatorial Approach to Milnor Invariants of Welded Links2023

    • Author(s)
      Haruko A. Miyazawa, Kodai Wada, Akira Yasuhara
    • Journal Title

      Michigan Mathematical Journal

      Volume: 73 Issue: 1 Pages: 141-170

    • DOI

      10.1307/mmj/20205905

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03237, KAKENHI-PROJECT-21K20327
  • [Journal Article] Link concordances as surfaces in 4-space and the 4-dimensional Milnor invariants2022

    • Author(s)
      Jean-Baptiste Meilhan, Akira Yasuhara
    • Journal Title

      Indiana University Mathematics Journal

      Volume: 71 Issue: 6 Pages: 2647-2669

    • DOI

      10.1512/iumj.2022.71.9299

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K03237
  • [Journal Article] Classification of string links up to 2n-moves and link-homotopy2021

    • Author(s)
      Miyazawa, Haruko A.; Wada, Kodai; Yasuhara, Akira
    • Journal Title

      Annales de l'Institut Fourier

      Volume: 71 Issue: 3 Pages: 889-911

    • DOI

      10.5802/aif.3407

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03237, KAKENHI-PROJECT-21K20327
  • [Journal Article] Generalized virtualization on welded links2020

    • Author(s)
      Haruko A. Miyazawa, Kodai Wada, Akira Yasuhara
    • Journal Title

      Journal of the Mathematical Society of Japan

      Volume: 印刷中 Issue: 3 Pages: 923-944

    • DOI

      10.2969/jmsj/82248224

    • NAID

      130007879407

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19J00006, KAKENHI-PROJECT-17K05264
  • [Journal Article] Arrow calculus for welded and classical links2019

    • Author(s)
      Jean-Baptiste Meilhan and Akira Yasuhara
    • Journal Title

      Algebraic & Geometric Topology

      Volume: 19 Issue: 1 Pages: 397-456

    • DOI

      10.2140/agt.2019.19.397

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K05264
  • [Journal Article] Burnside groups and n-moves for links2019

    • Author(s)
      Haruko A. Miyazawa, Kodai Wada, Akira Yasuhara
    • Journal Title

      Proceedings of the American Mathematical Society

      Volume: 印刷中 Issue: 8 Pages: 3595-3602

    • DOI

      10.1090/proc/14470

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17J08186, KAKENHI-PROJECT-17K05264
  • [Journal Article] Link invariants derived from multiplexing of crossings2018

    • Author(s)
      Haruko Aida Miyazawa, Kodai Wada, Akira Yasuhara
    • Journal Title

      Algebraic & Geometric Toplogy

      Volume: 18 Issue: 4 Pages: 2497-2507

    • DOI

      10.2140/agt.2018.18.2497

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17J08186, KAKENHI-PROJECT-17K05264
  • [Journal Article] The pass move is an unknotting operation for welded knots2018

    • Author(s)
      Takuji Nakamura, Yasutaka Nakanishi, Shin Satoh b, Akira Yasuhara
    • Journal Title

      Topology and its Applications

      Volume: 247 Pages: 9-19

    • DOI

      10.1016/j.topol.2018.07.005

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K05264, KAKENHI-PROJECT-17K05265, KAKENHI-PROJECT-26287013
  • [Journal Article] Milnor invariants of covering links2017

    • Author(s)
      Natsuka Kobayashi, Kodai Wada and Akira Yasuhara
    • Journal Title

      Topology and its Applications

      Volume: 印刷中

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26400081
  • [Journal Article] Milnor invariants of covering links2017

    • Author(s)
      Natsuka Kobayashi, Kodai Wada and Akira Yasuhara
    • Journal Title

      Topology and Its Applications

      Volume: 224 Pages: 60-72

    • DOI

      10.1016/j.topol.2017.04.002

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K05264, KAKENHI-PROJECT-17J08186
  • [Journal Article] Linking invariants of even virtual links2017

    • Author(s)
      Haruko Aida Miyazawa, Kodai Wada and Akira Yasuhara
    • Journal Title

      Journal of Knot Theory and Its Ramifications

      Volume: 26 Issue: 12 Pages: 1750072-1750083

    • DOI

      10.1142/s0218216517500729

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K05264, KAKENHI-PROJECT-17J08186, KAKENHI-PROJECT-26400098
  • [Journal Article] Milnor invariants of clover links2016

    • Author(s)
      Kodai Wada and Akira Yasuhara
    • Journal Title

      International Journal of Mathematics

      Volume: 27 Issue: 13 Pages: 1650108-1650108

    • DOI

      10.1142/s0129167x16501081

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26400081
  • [Journal Article] Milnor invariants of length 2k+2 for links with vanishing Milnor invariants of length≦k2015

    • Author(s)
      Yuka Kotorii and Akira Yasuhara
    • Journal Title

      Topology and its Applications

      Volume: 184 Pages: 87-100

    • DOI

      10.1016/j.topol.2015.01.003

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26400081
  • [Journal Article] Abelian quotients of the string link monoid2014

    • Author(s)
      Jean-Baptiste Meilhan and Akira Yasuhara
    • Journal Title

      Algebraic & Geometric Topology

      Volume: 14 Issue: 3 Pages: 1461-1488

    • DOI

      10.2140/agt.2014.14.1461

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Journal Article] Local moves for links with common sublinks2013

    • Author(s)
      Jean-Baptiste Meilhan, Eri Seida and Akira Yasuhsara
    • Journal Title

      Topology and its Applications

      Volume: 160 Issue: 6 Pages: 836-843

    • DOI

      10.1016/j.topol.2013.02.006

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Journal Article] On non-self local moves2012

    • Author(s)
      Y. Nakanishi, T. Shibuya, T. Tsukamoto, and A. Yasuhara
    • Journal Title

      Journal of Knot Theory and Its Ramifications

      Volume: 21-4 Issue: 04 Pages: 125005511-9

    • DOI

      10.1142/s0218216511010097

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21540081, KAKENHI-PROJECT-22540104, KAKENHI-PROJECT-23540074
  • [Journal Article] Milnor invariants and the HOMFLYPT Polynomial2012

    • Author(s)
      Jean-Baptiste Meilhan and Akira Yasuhara
    • Journal Title

      Geometry & Topology

      Volume: 16 Issue: 2 Pages: 889-917

    • DOI

      10.2140/gt.2012.16.889

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Journal Article] An estimation of the Ck-unknotting number for a Ck-trivial link2010

    • Author(s)
      Teruhisa Kadokami, Akira Yasuhara
    • Journal Title

      Kobe Journal of Mathematics 27

      Pages: 35-46

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Homotopy Delta-equivalence and concordance for knots in the complement of a trivial link2010

    • Author(s)
      Thomas Fleming, Tetsuo Shibuya, Tatsuya Tsukamoto, Akira Yasuhara
    • Journal Title

      Topology and its Applications 157

      Pages: 1215-1227

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Characterization of finite type string link invariants of degree <52010

    • Author(s)
      Jean-Baptiste Meilhan, Akira Yasuhara
    • Journal Title

      Mathematical Proceedings of the Cambridge Philosophical Society 148

      Pages: 439-472

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Δ-equivalenceand Concordance for knots in the complement of a triviallink2010

    • Author(s)
      T.Fleming,T.Shibuya,T.Tsukamoto,A.Yasuhara,Homotopy
    • Journal Title

      Topologyandits Applications

      Volume: 157 Pages: 1215-1227

    • URL

      http://www.sciencedirect.com/science/article/pii/S0166864110000611

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22540104
  • [Journal Article] An estimation of the Ck-unknotting number for a Ck-trivial link2010

    • Author(s)
      Teruhisa Kadokami Akira Yasuhara
    • Journal Title

      Kobe Journal of Mathematics

      Volume: 27 Pages: 35-46

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Homotopy : Δ-equivalence and concordance for knots in the complement of atrivial link2010

    • Author(s)
      渋谷哲夫、塚本達也、安原晃
    • Journal Title

      Topology and its Applications

      Volume: 157 Pages: 1215-1227

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22540104
  • [Journal Article] Characterization of finite type string link invariants of degree <52010

    • Author(s)
      Jean-Baptiste Meilhan Akira Yasuhara
    • Journal Title

      Mathematical Proceedings of the Cambridge Philosophical Society

      Volume: 148 Pages: 439-472

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Homotopy, Delta-equivalence and concordance for knots in the complement of a trivial link2010

    • Author(s)
      Thomas Fleming, Tetsuo Shibuya, Tatsuya Tsukamoto Akira Yasuhara
    • Journal Title

      Topology and its Applications

      Volume: 157 Pages: 1215-1227

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Classification of string links up to self delta-moves and Concordance2009

    • Author(s)
      Akira Yasuhara
    • Journal Title

      Algebraic & Geometric Topology 9

      Pages: 265-275

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Milnor's invariants and self Ck-equivalence2009

    • Author(s)
      Thomas Fleming, Akira Yasuhara
    • Journal Title

      Proceedings of the American Mathematical Society 137

      Pages: 761-770

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Classification of string links up to self delta-moves and concordance2009

    • Author(s)
      Akira Yasuhara
    • Journal Title

      Algebraic & Geometric Topology 265

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2009

    • Author(s)
      Akira Yasuhara
    • Journal Title

      Transactions of the American Mathematical Society 361

      Pages: 4712-4749

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] On Cn-moves for links2008

    • Author(s)
      Jean-Baptiste Meilhan, Akira Yasuhara
    • Journal Title

      Pacific Journal of Mathematics 238

      Pages: 119-143

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Journal Article] Boundary links self delta-equivalent to trivial links2007

    • Author(s)
      Tetsuo Shibuya and Akira Yasuhara
    • Journal Title

      Mathematical Proceedings of the Cambridge Philosophical Society 143

      Pages: 449-458

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Journal Article] Milnor numbers and self delta classification of 2-string links2007

    • Author(s)
      Thomas Fleming and Akira Yasuhara
    • Journal Title

      ILDT2006, Knots and everything Series 40

      Pages: 27-34

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Journal Article] Boundary links are self delta-equivalent to trivial links2007

    • Author(s)
      Tetsuo Shibuya and Akira Yasuhara
    • Journal Title

      Mathematical Proceedings of the Cambridge Philosophical Society 143

      Pages: 449-458

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Journal Article] Classification of n-component Brunnian links up to Cn-move2006

    • Author(s)
      Haruko A. Miyazawa and Akira Yasuhara
    • Journal Title

      Topology and its Applications 153

      Pages: 1643-1650

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Journal Article] Brunnian local moves of knots and Vassiliev invariants2006

    • Author(s)
      Akira Yasuhara
    • Journal Title

      Fundamenta Mathematicae 190

      Pages: 289-297

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Journal Article] Classification of n-component Brunnian links up to Cn-move2006

    • Author(s)
      Haruko A.Miyazawa, Akira Yasuhara
    • Journal Title

      Topology and its Applications 153

    • Data Source
      KAKENHI-PROJECT-18540071
  • [Journal Article] Linking numbers in rational homology 3-spheres, cyclic branched covers and infinite cyclic covers2004

    • Author(s)
      Jozef Przytycki, Akira Yaushara
    • Journal Title

      Transactions of the American Mathematical Society 356

      Pages: 3669-3685

    • Data Source
      KAKENHI-PROJECT-15740030
  • [Journal Article] Self C_κ-move, quasi self C_κ-move and the Conway potential function for links2004

    • Author(s)
      Tetsuo Shibuya, Akira Yaushara
    • Journal Title

      Journal of Knot Theory and Its Ramifications 13

      Pages: 877-893

    • Data Source
      KAKENHI-PROJECT-15740030
  • [Journal Article] Cn-move and its duplicated move of links

    • Author(s)
      K.Kobayasni, T.Shibuya, Akira Yasuhara
    • Journal Title

      Journal of Knot Theory and Its Ramifications 掲載決定

    • Data Source
      KAKENHI-PROJECT-15740030
  • [Journal Article] Self-delta equivalence of cobordant links

    • Author(s)
      Y.Nakanishi, T.Shibuya, Akira Yasuhara
    • Journal Title

      Proceedings of the American Mathematical Society (掲載予定)

    • Data Source
      KAKENHI-PROJECT-15740030
  • [Journal Article] Signature of rotors

    • Author(s)
      M.Dabkowski, M.Ishiwata, J.Przytycki, Akira Yasuhara
    • Journal Title

      Fundamenta mathematicae (掲載予定)

    • Data Source
      KAKENHI-PROJECT-15740030
  • [Presentation] Concordance for higher dimensional welded objects and their Milnor invariants2022

    • Author(s)
      安原晃
    • Organizer
      研究集会「結び目理論」
    • Invited
    • Data Source
      KAKENHI-PROJECT-21K03237
  • [Presentation] Higher dimensional welded objects and their Milnor invariants2022

    • Author(s)
      安原 晃
    • Organizer
      研究集会「拡大KOOKセミナー2021」
    • Data Source
      KAKENHI-PROJECT-17K05264
  • [Presentation] 境界付き曲面絡み目のミルナー不変量と基本群彩色2020

    • Author(s)
      安原晃
    • Organizer
      2019年度琉球結び目セミナー, 那覇市ぶんかテンブス館
    • Data Source
      KAKENHI-PROJECT-17K05264
  • [Presentation] Burnside groups and n-moves for links2019

    • Author(s)
      Akira Yasuhara
    • Organizer
      Knots in Washington XLVII
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K05264
  • [Presentation] ウェルデッド絡み目のArrow diagramについて2018

    • Author(s)
      安原晃
    • Organizer
      東京女子大学トポロジーセミナー
    • Invited
    • Data Source
      KAKENHI-PROJECT-17K05264
  • [Presentation] 絡み目のMilnor不変量と2n-move2018

    • Author(s)
      安原晃
    • Organizer
      研究集会「2018年度琉球結び目セミナー」
    • Data Source
      KAKENHI-PROJECT-17K05264
  • [Presentation] Burnside groups and n-moves for links2018

    • Author(s)
      Akira Yasuhara
    • Organizer
      Topology Seminar, Institut Fourier
    • Data Source
      KAKENHI-PROJECT-17K05264
  • [Presentation] Arrow calculus for welded links2017

    • Author(s)
      Akira Yasuhara
    • Organizer
      Topology and Geometry of Low-dimensional Manifolds
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K05264
  • [Presentation] Milnor invariants and the Homflypt polynomial2014

    • Author(s)
      Akira Yasuhara
    • Organizer
      Low dimensional topology and number theory VI
    • Place of Presentation
      福岡ソフトリサーチパークセンター ( 福岡市 )
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] Milnor invariants and the HOMFLYPT polynomial2014

    • Author(s)
      Akira Yasuhara
    • Organizer
      Low dimensional topology and number theory VI
    • Place of Presentation
      福岡ソフトリサーチパークセンター
    • Year and Date
      2014-03-21
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] Abelian quotients of the string link monoid2013

    • Author(s)
      Akira Yasuhara
    • Organizer
      Knots in Washington XXXVI
    • Place of Presentation
      George Washington University, USA
    • Year and Date
      2013-05-05
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] 絡み目の自己局所変形について2013

    • Author(s)
      安原 晃
    • Organizer
      Knots in East Osaka VI
    • Place of Presentation
      大阪工業大学
    • Year and Date
      2013-02-23
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] Abelian quotients of the string link monoid2013

    • Author(s)
      Akira Yasuhara
    • Organizer
      Knots in Washington XXXVI
    • Place of Presentation
      George Washington University ( アメリカ・ワシントンDC )
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] 絡み目のミルナー不変量とHOMFLYPT 多項式2013

    • Author(s)
      安原 晃
    • Organizer
      第60回トポロジーシンポジウム
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2013-08-07
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] 絡み目のミルナー不変量について2013

    • Author(s)
      安原晃
    • Organizer
      香川セミナー(20周年記念)
    • Place of Presentation
      香川大学 ( 高松市 )
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] 絡み目のミルナー不変量とHOMFLYPT多項式2013

    • Author(s)
      安原晃
    • Organizer
      第60回 トポロジーシンポジウム
    • Place of Presentation
      大阪市立大学 ( 大阪市 )
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] Ck-concordance group of n-string links2013

    • Author(s)
      Akira Yasuhara
    • Organizer
      Friday Seminar on Knot Theory
    • Place of Presentation
      大阪市立大学 ( 大阪市 )
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] Ck-concordance group of n-string links2013

    • Author(s)
      Akira Yasuhara
    • Organizer
      Friday Seminar on Knot Theory
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2013-11-22
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] 絡み目のミルナー不変量について2013

    • Author(s)
      安原 晃
    • Organizer
      香川セミナー(20周年記念)
    • Place of Presentation
      香川大学
    • Year and Date
      2013-10-19
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] Milnor invariants and the HOMFLYPT polynomial2011

    • Author(s)
      Akira Yasuhara
    • Organizer
      Knots in Washington XXXIII
    • Place of Presentation
      George Washington University(ワシントン)
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] Milnor invariants and the HOMFLYPT polynomial2011

    • Author(s)
      Akira Yasuhara
    • Organizer
      Knots in Washington XXXIII
    • Place of Presentation
      George Washington University, USA
    • Year and Date
      2011-12-03
    • Data Source
      KAKENHI-PROJECT-23540074
  • [Presentation] Finite type invariants of string links and the HOMFLYPT polynomial of knots2010

    • Author(s)
      安原晃
    • Organizer
      Intelligence of Low-dimensional Topology
    • Place of Presentation
      京都大学数理解析研究所(京都府)
    • Year and Date
      2010-06-03
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Presentation] Finite type invariants of string links and the HOMFLYPT polynomial of knots2010

    • Author(s)
      安原晃
    • Organizer
      Intelligence of Low-dimensional Topology
    • Place of Presentation
      京都大学数理解析研究所
    • Year and Date
      2010-06-03
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Presentation] Classification of string links up to self delta-moves and concordance2009

    • Author(s)
      安原晃
    • Organizer
      Knots in Washington XXVII (3rd Japan-USA Workshop in Knot Theory)
    • Place of Presentation
      George Washington University, USA
    • Year and Date
      2009-01-10
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Presentation] Classification of string links up to self delta-moves and concordance2009

    • Author(s)
      Akira Yasuhara
    • Organizer
      Knots in Washington XXVII(3rd Japan-USA Workshop in Knot Theory)
    • Place of Presentation
      George Washington University, USA
    • Year and Date
      2009-01-10
    • Data Source
      KAKENHI-PROJECT-20540065
  • [Presentation] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2008

    • Author(s)
      Akira Yasuhara
    • Organizer
      The 4th East Asian School of Knots, Links and Related Topics
    • Place of Presentation
      The University of Tokyo
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Presentation] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2008

    • Author(s)
      Akira Yasuhara
    • Organizer
      国際研究集会「The 4th East Asian School of Knots, Links and Related Topics」
    • Place of Presentation
      東京大学
    • Year and Date
      2008-01-22
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Presentation] Self Delta-equivalence for Links Whose Milnor's Isotopy Invariants Vanish2008

    • Author(s)
      Akira Yasuhara
    • Organizer
      国際研究集会「The 4th East Asian School of Knots, Links and Related Tbpics」
    • Place of Presentation
      東京大学
    • Year and Date
      2008-01-22
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Presentation] Claspers and link-homotopy classification of string links2007

    • Author(s)
      Akira Yasuhara
    • Organizer
      The 3rh East Asian School of Knots, Links and Related Topics
    • Place of Presentation
      Osaka City University
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Presentation] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2007

    • Author(s)
      Akira Yasuhara
    • Organizer
      Knotting Mathematics and Art
    • Place of Presentation
      South Florida University USA
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Presentation] Self Delta-equivalence for Links Whose Milnor's Isotopy Invariants Vanish2007

    • Author(s)
      Akira Yasuhara
    • Organizer
      国際研究集会「Knotting Mathematics and Art」
    • Place of Presentation
      南フロリダ大学,アメリカ
    • Year and Date
      2007-11-02
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Presentation] Self delta-equivalence for links whose Milnor's isotopy invariants vanish2007

    • Author(s)
      Akira Yasuhara
    • Organizer
      国際研究集会「Knotting Mathematics and Art」
    • Place of Presentation
      南フロリダ大学,アメリカ
    • Year and Date
      2007-11-02
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Presentation] Claspers and link-homotopy classification of string links2007

    • Author(s)
      Akira Yasuhara
    • Organizer
      国際研究集会「The 3rh East Asian School of Knots, Links and Related Topics」
    • Place of Presentation
      大阪市立大学
    • Year and Date
      2007-02-06
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18540071
  • [Presentation] 絡み目の自己局所変形について

    • Author(s)
      安原晃
    • Organizer
      Knots in east Osaka VI
    • Place of Presentation
      大阪工業大学
    • Invited
    • Data Source
      KAKENHI-PROJECT-23540074
  • 1.  SHIBUYA Tetsuo (00162652)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 2.  TSUKAMOTO Tatsuya (10350480)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 3.  Sakamoto Hiroshi (50315123)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  久保山 哲二 (80302660)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  田中 心 (70448950)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  GUERVILLE BENOIT
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  中西 康剛
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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